From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Chmielewski Subject: Re: kvm-84 and guests with more than 3536 MB Ram? Date: Tue, 24 Mar 2009 17:04:32 +0100 Message-ID: <49C90490.1070906@wpkg.org> References: <1237897377.10977.40.camel@vesuv.TechFak.Uni-Bielefeld.DE> <49C8D94B.9090709@redhat.com> <1237906054.18072.8.camel@vesuv.TechFak.Uni-Bielefeld.DE> <49C90012.1020700@codemonkey.ws> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Lukas Kolbe , Avi Kivity , kvm@vger.kernel.org To: Anthony Liguori Return-path: Received: from mx03.syneticon.net ([78.111.66.105]:33608 "EHLO mx03.syneticon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755028AbZCXQEl (ORCPT ); Tue, 24 Mar 2009 12:04:41 -0400 In-Reply-To: <49C90012.1020700@codemonkey.ws> Sender: kvm-owner@vger.kernel.org List-ID: Anthony Liguori schrieb: > Lukas Kolbe wrote: >> On Di, 2009-03-24 at 14:59 +0200, Avi Kivity wrote: >> >>> Lukas Kolbe wrote: >>> >>>> Hi! >>>> >>>> This is my first post here so please bear with me; we have a Debian >>>> Lenny system with kernel 2.6.28 and kvm-84, and can't start a guest >>>> with >>>> more than 3536 MB Ram. With kvm-72 (the version lenny released with) we >>>> can use all 7GB that is intended for that guest. (...) >> qemu: loading initrd (0x781b93 bytes) at 0x000000007f87e000 >> create_userspace_phys_mem: Invalid argument >> kvm_cpu_register_physical_memory: failed >> >> And back to the console. When I try the same with 3584MB, I can boot >> into the machine flawlessly. >> >> Sorry for getting the numbers wrong in the first mail - the actual >> problem starts at 3585MB Ram for the guest. >> >> If you can't reproduce it with yout 2.6.28 and kvm-84, I should possibly >> take this to the debian bugtracker ... >> > > kvm-72 is pretty old. It used to be that we used phys_ram_base for > loading kernel/initrds which would break when using > 3.5GB of memory. > I wouldn't be surprised if that fix happened post kvm-72. Doesn't he say that it did work for him with kvm-72, but does not with kvm-84? -- Tomasz Chmielewski http://wpkg.org